Pioneer VSX-1017AV-K Service Manual page 34

1
B
SDTO (Data)
IC601 (Pin 25)
A
Is there
No
a data
output?
(0 V ⇔ 3.3 V)
Yes
BCK (Bit clock)
IC601 (Pin 26)
Is there
No
a bit clock
output?
(0 V ⇔ 3.3 V)
B
Yes
IC551 (Pin 4) LSFD (data)
Is there
No
a data
output?
(0 V ⇔ 3.3 V)
Yes
IC601 (Pin 7) LSBK (Bit clock)
C
Is there
No
a bit clock
output?
(0 V ⇔ 3.3 V)
Yes
IC601 (Pin 12) LSBK (LR clock)
Is there
No
a LR clock
output?
(0 V ⇔ 3.3 V)
Yes
D
MCLK (Master clock)
IC601 (Pin 9)
Is there
No
a master clock
output?
(0 V ⇔ 3.3 V)
Yes
E
To Step 7
F
34
1
2
Replace IC601.
Replace IC601.
Is the
No
voltage of
IC551-pin 1
0 V?
Check the path
Yes
between IC551-pin 1
and microcomputer.
Replace IC551.
VSX-1017AV-K
2
3
Step 7: LIPSYNC
Control waveform when the amount of delay is changed.
LSSDA (data)
IC801 (Pin 24)
Is there
No
Check the MAIN Assy, and parts
movement (0 V
and patterns in the path.
⇔ 5 V)?
Yes
LSSCL (clock)
IC801 (Pin 23)
Is there
No
Check the MAIN Assy, and parts
movement (0 V
and patterns in the path.
⇔ 5 V)?
Yes
Check that the data and clock signals are output.
LCKI (LR clock)
IC801 (Pin 31)
Is there
No
Replace IC651.
a LR clock
output?
(0 V ⇔ 3.3 V)
Yes
BCKI (Bit clock)
IC801 (Pin 30)
Is there
No
Replace IC651.
a bit clock
output?
(0 V ⇔ 3.3 V)
Yes
IC801 (Pin 29) FDTI (data)
Is there No
Replace IC651.
a data output?
(0 V ⇔ 3.3 V)
Yes
To Step 8
3
4
4